:root {
  --bg: #0b1020;
  --panel: #121a2f;
  --border: #1e2a4a;
  --text: #e8eefc;
  --muted: #8fa3cc;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --amber: #f59e0b;
  --purple: #a855f7;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: radial-gradient(circle at top, #152041, var(--bg));
  color: var(--text);
  min-height: 100vh;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 24px; }

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 { margin: 0; font-size: 1.8rem; }
h2 { margin: 0 0 16px; font-size: 1.1rem; }

.status { text-align: right; }
.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  margin-right: 8px;
}
.dot.ok { background: var(--green); box-shadow: 0 0 10px var(--green); }
.dot.err { background: var(--red); }
.muted { display: block; color: var(--muted); font-size: 0.85rem; margin-top: 6px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.card .label { color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.card .value { font-size: 1.6rem; font-weight: 700; }
.card .sub { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }
.card.entrada .value { color: var(--green); }
.card.saida .value { color: var(--red); }
.card.rtp .value { color: var(--purple); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

.kv {
  display: grid;
  gap: 10px;
}

.kv-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.kv-row:last-child { border-bottom: 0; }
.kv-row span:first-child { color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-size: 0.85rem; }

.footer {
  margin-top: 24px;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.btn-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.btn-link:hover { color: var(--text); border-color: var(--blue); }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}
.tab.active {
  color: var(--text);
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}
.tab-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #475569;
}
.tab-dot.on { background: var(--green); box-shadow: 0 0 8px var(--green); }
.tab-dot.off { background: #64748b; }

.panel-desc {
  color: var(--muted);
  font-size: 0.85rem;
  margin: -8px 0 16px;
}

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.login-box {
  width: min(420px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}
.login-sub { color: var(--muted); margin-bottom: 20px; }
.login-form { display: grid; gap: 14px; }
.login-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}
.login-form input {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0a1224;
  color: var(--text);
}
.login-form button {
  margin-top: 8px;
  padding: 12px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: white;
  font-weight: 700;
  cursor: pointer;
}
.alert {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red);
  color: #fecaca;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 14px;
}

.gerar-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
  margin-bottom: 24px;
}

.gerar-form {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.gerar-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.gerar-form input,
.gerar-form select {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0a1224;
  color: var(--text);
}

.gerar-form .input-code {
  font-family: Consolas, "Courier New", monospace;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.gerar-form .hint {
  font-size: 0.78rem;
  color: #64748b;
}

.btn-primary {
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.steps {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.6;
}

.steps code {
  color: var(--text);
  background: #0a1224;
  padding: 2px 6px;
  border-radius: 6px;
}

.codigo-box {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-align: center;
  padding: 24px 12px;
  margin: 12px 0 16px;
  border-radius: 12px;
  border: 1px dashed var(--blue);
  background: rgba(59, 130, 246, 0.08);
  font-family: Consolas, "Courier New", monospace;
}

.result-meta {
  color: var(--muted);
  text-align: center;
  margin-bottom: 16px;
}

.alert.ok {
  background: rgba(34, 197, 94, 0.12);
  border-color: var(--green);
  color: #bbf7d0;
}

.manual-box {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.manual-box summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 10px;
}

@media (max-width: 900px) {
  .gerar-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .header { flex-direction: column; }
  .status { text-align: left; }
}